Experiments have proved that children can

题目内容：

Experiments have proved that children can 1 (instruct) in swimming at a very early age. At a special swimming pool in Los Angeles, children become expert at 2 (hold) their breath under water even before they can walk. 3 (baby) of two months old do not appear to be reluctant to enter the water. It is not long 4 they are so accustomed to swimming 5 they can pick up weights from the floor of the pool. A game that is very popular with these young 6 (swim) is the underwater tricycle race. Tricycles are lined up on the floor of the pool seven feet under water. The children compete against each other to reach the other end of the pool. Many pedal their tricycles, 7 most of them prefer to push or drag them. Some children 8 cover the whole length of the pool 9 coming up for breath even once. Whether they will ever become future Olympic champions, only time will tell. Meanwhile, they should encourage 10 among us who cannot swim five yards before they are gasping for air.

最佳答案：

1. be instructed 2. holding 3. Babies 4. before 5. that 6. swimmers 7. but 8. can 9. without 10. those

答案解析：

略

考点核心：

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人物传记是记叙文体的一种，主要描写某人的生平事迹、趣闻轶事、生活背景、个性特征、成长奋斗历程等，包含记叙文的时间、地点、人物、事件等要素。其特点是以时间的先后或事件的发展为主线，空间或逻辑线索贯穿文章始终，脉络清楚，可读性较强。